Features: Experience unparalleled security with our wireless remote controlled anti theft motor lock, featuring a installation that prevents tampering and ensures peace. This lock offers three power supply option batteries(NOT Include), 12V external power sources, and USB port, making it to various setups. For universal use, this lock is suitable for both men and women who prioritize home security. Ideal for wooden, iron, and stainless steel door, this lock provides enhances protections without the need for visible keyholes. Crafted from cold rolled steel, this motor lock combines strength and innovation, perfect for modern security needs on platforms. Specifications: Material: Cold-tied Steel Plate Power Supply: 4xAA Battery(NOT Include)/DC12V/USB Size: About. 137x160mm/5.39x6.3in Package Includes: 1 Set Electric Lock note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.